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Viewing changes to Mono.Addins/Mono.Addins.Description/ExtensionNodeType.cs

  • Committer: Bazaar Package Importer
  • Author(s): Mirco Bauer
  • Date: 2007-07-14 12:07:48 UTC
  • Revision ID: james.westby@ubuntu.com-20070714120748-2elczfsjlrdsrpms
Tags: upstream-0.2
Import upstream version 0.2

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Mono.Addins/Mono.Addins.Description/ExtensionNodeType.cs
 
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//
 
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// ExtensionNodeType.cs
 
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//
 
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// Author:
 
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//   Lluis Sanchez Gual
 
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//
 
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// Copyright (C) 2007 Novell, Inc (http://www.novell.com)
 
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//
 
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// Permission is hereby granted, free of charge, to any person obtaining
 
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// a copy of this software and associated documentation files (the
 
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// "Software"), to deal in the Software without restriction, including
 
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// without limitation the rights to use, copy, modify, merge, publish,
 
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// distribute, sublicense, and/or sell copies of the Software, and to
 
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// permit persons to whom the Software is furnished to do so, subject to
 
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// the following conditions:
 
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// 
 
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// The above copyright notice and this permission notice shall be
 
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// included in all copies or substantial portions of the Software.
 
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// 
 
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
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//
 
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using System;
 
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using System.Xml;
 
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using System.Collections;
 
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using System.Collections.Specialized;
 
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using Mono.Addins.Serialization;
 
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namespace Mono.Addins.Description
 
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{
 
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        public class ExtensionNodeType: ExtensionNodeSet
 
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        {
 
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                string typeName;
 
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                string objectTypeName;
 
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                string description;
 
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                string addinId;
 
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                NodeTypeAttributeCollection attributes;
 
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                // Cached clr type
 
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                [NonSerialized]
 
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                internal Type Type;
 
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                // Cached serializable fields
 
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                [NonSerialized]
 
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                internal Hashtable Fields;
 
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                internal string[] RequiredFields;
 
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                // Addin where this extension type is implemented
 
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                internal string AddinId {
 
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                        get { return addinId; }
 
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                        set { addinId = value; }
 
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                }
 
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                // Type of the extension node
 
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                public string TypeName {
 
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                        get { return typeName != null ? typeName : string.Empty; }
 
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                        set { typeName = value; }
 
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                }
 
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                public string NodeName {
 
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                        get { return Id; }
 
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                        set { Id = value; }
 
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                }
 
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                // Type of the object that the extension creates (only valid for TypeNodeExtension).
 
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                public string ObjectTypeName {
 
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                        get { return objectTypeName != null ? objectTypeName : string.Empty; }
 
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                        set { objectTypeName = value; }
 
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                }
 
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                // The description
 
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                public string Description {
 
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                        get { return description != null ? description : string.Empty; }
 
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                        set { description = value; }
 
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                }
 
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                public NodeTypeAttributeCollection Attributes {
 
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                        get {
 
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                                if (attributes == null) {
 
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                                        attributes = new NodeTypeAttributeCollection (this);
 
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                                        if (Element != null) {
 
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                                                XmlElement atts = Element ["Attributes"];
 
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                                                if (atts != null) {
 
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                                                        foreach (XmlNode node in atts.ChildNodes) {
 
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                                                                XmlElement e = node as XmlElement;
 
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                                                                if (e != null)
 
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                                                                        attributes.Add (new NodeTypeAttribute (e));
 
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                                                        }
 
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                                                }
 
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                                        }
 
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                                }
 
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                                return attributes;
 
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                        }
 
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                }
 
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                internal ExtensionNodeType (XmlElement element): base (element)
 
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                {
 
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                        XmlAttribute at = element.Attributes ["type"];
 
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                        if (at != null)
 
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                                typeName = at.Value;
 
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                        at = element.Attributes ["objectType"];
 
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                        if (at != null)
 
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                                objectTypeName = at.Value;
 
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                        XmlElement de = element ["Description"];
 
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                        if (de != null)
 
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                                description = de.InnerText;
 
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                }
 
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                internal ExtensionNodeType ()
 
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                {
 
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                }
 
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                internal override string IdAttribute {
 
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                        get { return "name"; }
 
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                }
 
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                internal override void Verify (string location, StringCollection errors)
 
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                {
 
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                        base.Verify (location, errors);
 
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                }
 
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                internal override void SaveXml (XmlElement parent, string nodeName)
 
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                {
 
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                        base.SaveXml (parent, "ExtensionNode");
 
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                        XmlElement atts = Element ["Attributes"];
 
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                        if (Attributes.Count > 0) {
 
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                                if (atts == null) {
 
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                                        atts = parent.OwnerDocument.CreateElement ("Attributes");
 
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                                        Element.AppendChild (atts);
 
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                                }
 
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                                Attributes.SaveXml (atts);
 
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                        } else {
 
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                                if (atts != null)
 
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                                        Element.RemoveChild (atts);
 
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                        }
 
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                        if (TypeName.Length > 0)
 
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                                Element.SetAttribute ("type", TypeName);
 
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                        else
 
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                                Element.RemoveAttribute ("type");
 
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                        if (ObjectTypeName.Length > 0)
 
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                                Element.SetAttribute ("objectType", ObjectTypeName);
 
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                        else
 
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                                Element.RemoveAttribute ("objectType");
 
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                        SaveXmlDescription (Description);
 
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                }
 
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                internal override void Write (BinaryXmlWriter writer)
 
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                {
 
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                        base.Write (writer);
 
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                        if (Id.Length == 0)
 
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                                Id = "Type";
 
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                        if (TypeName.Length == 0)
 
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                                typeName = "Mono.Addins.TypeExtensionNode";
 
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                        writer.WriteValue ("typeName", typeName);
 
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                        writer.WriteValue ("objectTypeName", objectTypeName);
 
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                        writer.WriteValue ("description", description);
 
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                        writer.WriteValue ("addinId", addinId);
 
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                        writer.WriteValue ("Attributes", attributes);
 
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                }
 
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                internal override void Read (BinaryXmlReader reader)
 
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                {
 
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                        base.Read (reader);
 
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                        typeName = reader.ReadStringValue ("typeName");
 
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                        objectTypeName = reader.ReadStringValue ("objectTypeName");
 
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                        if (!reader.IgnoreDescriptionData)
 
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                                description = reader.ReadStringValue ("description");
 
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                        addinId = reader.ReadStringValue ("addinId");
 
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                        if (!reader.IgnoreDescriptionData)
 
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                                attributes = (NodeTypeAttributeCollection) reader.ReadValue ("Attributes", new NodeTypeAttributeCollection (this));
 
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                }
 
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        }
 
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}